Circle with Area 421.8639 Square Inches

Instant diameter calculation and visualization

Diameter

23.1761 inches

Radius

11.5881 inches

Circumference

72.81 inches

Area

421.8639 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

Start with the circle area formula: A = πr²
Solve for radius: r = √(A/π)
Calculate diameter: d = 2r


                            r = √(421.8639/π) = 11.5881 inches

                            d = 2 × 11.5881 = 23.1761 inches

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